package com.woniuxy01;

import java.util.Scanner;

public class Test07 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        System.out.println("输入学生成绩");
        int score = scanner.nextInt();
        //有效的成绩是0-100之间，输入的不是这个区间的分数，提示输入错误
        if(score<0 || score>100){
            System.out.println("提示输入错误,请输入0-100之间的分数");
        }else{
            if(score>=90){
                System.out.println("优秀");
            }else if(score>=80 ){
                System.out.println("良好");
            }else if(score>=70 ){
                System.out.println("中等");
            }else if(score>=60 ){
                System.out.println("及格");
            }else{
                System.out.println("不及格");
            }
        }

        System.out.println("程序结束");

    }
}